tgt = 'target="_blank"';  // リンクを開くターゲット（HTML書式）

url = new Array();
img = new Array();

/* リンク先とそのバナーを記述 */
url[0] = "http://www.vogel-law.jp/"; img[0] = "./media/3/pr_bg_takehara.png";
url[1] = "http://www.umedakaikei.com/"; img[1] = "./media/3/pr_z_mori.png";
url[2] = "http://www.hotriver.net/"; img[2] = "./media/3/pr_z_yukawa.png";
url[3] = "http://urano-tax.com/"; img[3] = "./media/3/pr_z_urano.png";
url[4] = "http://www.office-ishida.biz/"; img[4] = "./media/3/pr_z_ishida.png";
url[5] = "http://www.souzoku-fp.com/"; img[5] = "./media/3/pr_z_nagashima.png";
url[6] = "http://www.inoue13tax.com/"; img[6] = "./media/3/pr_z_inoue.png";
url[7] = "http://www.nenkin-sr.com/"; img[7] = "./media/3/pr_sr_oogami.png";


p = Math.round(Math.random() * (url.length - 1));
DOC = "<a href='" + url[p] + "' " + tgt + "><img src='" + img[p] + "' border=0></a>";